value	unc_up	unc_lo	author	ref	method
19.17	0.137	0.137	Masiero	2011ApJ...741...68M	NEATM
19.43	3.890	3.890	Ali-Lagoa	2018A&A...612A..85A	NEATM
20.40	0.650	0.650	Usui	2011PASJ...63.1117U	NEATM
21.78	4.360	4.360	Masiero	2012ApJ...759L...8M	NEATM